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Next Subject		 scienceLourdes2002-11-23Click here to register.
the surface tension of water at room temperature is so great that you can acually "float" a small needle on the surface of water.(The needle doesn't truly float- it is denser than water. It is held in place by the force of hydrogen bonding between water molecules lying below and around the needle.) If the water were heated, what would happen to the needle and why?
 
Re: science
ppatel2002-11-25Click here to register.
Another test question? 

Well, what happens when water warms up?  It expands.

What happens when water expands?  Would the tension raise or lower?

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